Metadata configuration through DAM extensibility
This topic describes how the metadata can be configured through DAM extensibility.
Overview
DAM Extensibility feature improves and empowers DAM to support user-defined custom renditions and configure transformations for assets. Adding to the configuration of metadata generation for all renditions, you can now configure metadata generation specifically for MIME types and their renditions.
Metadata configuration via DAM extensibility
Similar to rendition and thumbnail actions such as crop and resize, the Image processor plugin also supports metadata extraction so that DAM invokes the Image processor plugin by default. In case of custom plugin, corresponding API can be configured in the Plugins configuration as follows.
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The first change is in the Plugin configuration, which specifies the methods and URL to be invoked for metadata generation.
Note
The action name needs to be
metadata
and cannot contain any custom names.{ "image-processor":{ "url":"<PROTOCOL>://<IMAGE_PROCESSOR_HOST>/dx/api/image-processor/v1/plugin", "callBackHost": "<PROTOCOL>://<DAM_HOST>", "key":"IMAGE_PROCESSOR_PLUGIN_SECRET_KEY", "actions":{ "metadata":{ "params":{}, "url":"/metadata" } } }
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The second change is to add metadata to the new stack configuration
SupplementalStack
in rendition extensibility configuration.Note
The operation name needs to be
metadata
and cannot contain any custom names.{ "[mimeType: string]": { "type": "string", "rendition": [ { "name": "string", "transformationStack": [ { "plugin": "string", "operation": { "[operation]": "object" }, } ], "thumbnailStack": [ { "plugin": "string", "operation": { "[operation]": "object" }, } ], "supplementalStack": [ { "plugin": "string", "operation": { "[operation]": "object" }, } ] } ] } }
Example
{ 'image/jpeg': { rendition: [ { name: 'Original', transformationStack: [], thumbnailStack: [], supplementalStack: [ { plugin: 'image-processor', operation: { metadata: {}, }, }, ], }, { name: 'Desktop', transformationStack: [], thumbnailStack: [], supplementalStack: [ { plugin: 'image-processor', operation: { metadata: {}, }, }, ], }, { name: 'Tablet', transformationStack: [], thumbnailStack: [], supplementalStack: [ { plugin: 'image-processor', operation: { metadata: {}, }, }, ], }, { name: 'Smartphone', transformationStack: [], thumbnailStack: [], supplementalStack: [ { plugin: 'image-processor', operation: { metadata: {}, }, }, ], }, ], } }
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